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100
which equality is correct? 1g = 1000kg 1cm = 100 m 1 L = 1000ml 1mm = 10cm
1L = 1000ml
100
Which of the substances can NOT be decomposed by chemical change? Why? Sulfuric acid Ammonia Water Argon
Argon, because it it an element
100
Define Intermolecular Forces (IMF)
Attraction between molecules
100
What happens to the speed of the particles in a substance when they are... -Heated -Cooled
-speed up, decrease IMF -Slow down, increase IMF
100
How are elements arranged on the P.T.?
By atomic number.
200
What is the formula for density?
D = M/V
200
What is a mixture? Give two examples.
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200
Define Heat
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200
What 3 particles are in the nucleus?
Neutrons Protons Electrons
200
What is the force that holds protons together?
Nuclear force
300
How many Joules are in a Calorie?
Figure it out yourself!
300
What are the properties of metalloids?
- - -
300
Define Temperature
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300
The nucleus of an atom has what type of charge?
Positive
300
What is the force that holds electrons to protons?
Electrostatic Force
400
What are some physical properties?
Size, Weight, Color, Phase
400
Where are these groups located? -Alkali -Alkaline Earth -Transitional Metals -Halogens -Nobel Gas
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400
In an exothermic rection, chemical energy is converted to _________ energy.
Thermal
400
What was Rutherford's Contribution to the atom?
?
400
What are the trends in ionization energy displayed on the periodic table?
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500
What are some Chemical Properties?
Bubbling, Color Change, Solid Forming, Temperature Change, Change in Chemical Identity
500
602,000,000,000,000,000,000,000 is called ________ and is the foundation behind the counting unit called the _______.
Avagrodo's Mole
500
In an endothermic reaction, thermal energy is converted to _____________ energy.
chemical
500
What was Thompson's contribution to the atom?
?
500
How would you use the periodic table to determine the size of an atom?
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